| Rietberg to Odessa (Texas) | 5,304.71 mi (8,537.11 km) |
| Rietberg to Ogden (Utah) | 5,084.38 mi (8,182.52 km) |
| Rietberg to Oildale (California) | 5,626.11 mi (9,054.35 km) |
| Rietberg to Ojus (Florida) | 4,770.68 mi (7,677.67 km) |
| Rietberg to Okemos (Michigan) | 4,097.78 mi (6,594.74 km) |
| Rietberg to Oklahoma City (Oklahoma) | 4,938.90 mi (7,948.39 km) |
| Rietberg to Okmulgee (Oklahoma) | 4,877.63 mi (7,849.78 km) |
| Rietberg to Olathe (Kansas) | 4,662.66 mi (7,503.82 km) |
| Rietberg to Old Jamestown (Missouri) | 4,503.22 mi (7,247.24 km) |
| Rietberg to Oldsmar (Florida) | 4,764.57 mi (7,667.84 km) |
| Rietberg to Olean (New York) | 3,904.55 mi (6,283.77 km) |
| Rietberg to Olive Branch (Mississippi) | 4,686.74 mi (7,542.58 km) |
| Rietberg to Olivehurst (California) | 5,474.15 mi (8,809.79 km) |
| Rietberg to Olney (Maryland) | 3,989.72 mi (6,420.83 km) |
| Rietberg to Olympia (Washington) | 5,025.35 mi (8,087.53 km) |
